ML20147A912
| ML20147A912 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 09/15/1978 |
| From: | Herbein J METROPOLITAN EDISON CO. |
| To: | Reid R Office of Nuclear Reactor Regulation |
| References | |
| GQL-1534, NUDOCS 7809250081 | |
| Download: ML20147A912 (2) | |
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METROPOLITAN EDISON COMPANY sUesioiARv 0F GENERAL PUBLIC UTILITIES CORPORATION POST OFFICE BOX 542 READING, PENNSYLVANI A 19603 TELEPHONE 215 - 929-3601 September 15, 1978 GQL 153h Director of Nuclear Reactor Regulations Attn:
R. W. Reid, Chief Operating Reactors Bre ch No. 4 U.S. Nuclear Regulatory Commission Washington, D. C.
20555
Dear Sir:
Three Mile Island Nuclear Station, Unit 1 (TMI-1)
Operating License No. DPR-50 Docket No. 50-289 Fire Protection Met-Ed letter of July 28,1978 (GQL 1294) stated that a study had been init, lated to determine which alternative (i.e., replacement, establishing adeq'tacy through tests, or certification by a registered independent fire protection engineer) vill be pursued such that the fire rating of all un-letcled doors can be established, and corrective action, if any, can be accomplished.
Results of the study to date indicate, (1) door replacement would cost on the order of $500,000.00 to accomplish (approximately 50 doors X $10,000.00 per door), and would be a very long-term project; (2) testing a representative door requires verification that it is, in fac% representative of the doors being qualified; and (3) certification by a regir.tered fire protection engineer would consist of a signed statement indicating that the doors 'hppear" to be rated fire doors.
The above alternatives were discussed with the NRC on several occasions during the week of September h, 1978.
Met-Ed requested NRC response to replacing only the doors, i.e., leaving the door frames imbedded in concrete. This would reduce the cost in the first alternative to approximately $50,000.00, and significantly reduce the time required to complete the modification.
The KRC stated that this voald be unacceptable.
Met-Ed does not, at this time, propose to pursue testing of a representative door because of the subjectiveness in verifying that the docr tested is, in fact,a representative door.
Based on NRC guidance, Met-Ed vill perform a complete QA documentation search to, (1) identify the purchase orders for the installed doors, and the specifica-tion that the docrs were ordered under; (2) compare the specification to the rated door specification; (3) identify the locations where the doors identified mu
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o September R. W. Reid, Chief GQL vere. installed; (h) justify adequacy based on the fire loading on each side of the door.
It is anticipated, that if successful in retrieving the above documentation, Met-Ed vill have justification for stating that the doors are acceptable and replacement in all cases vill not be necessary.
Met-Ed anticipates that the above QA documentation search will be completed by October 31, 1978. NRC will be advised upon completion of this investiga-tion with proposed fixes if appropriate.
Sincerely,
. G. Herbein Vice President-Generation JGH:RJS:ejg I
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